I don't have a cheap Cantonese option, but I do have 5 Italian places in that price range. Is there an area in the city you'd like to dine at?
How about an italian place for 3 people at 17:45 on wedensday
restaurant-day restaurant-food restaurant-people restaurant-pricerange restaurant-time
restaurant-day restaurant-food restaurant-people restaurant-pricerange restaurant-time
restaurant-day restaurant-food restaurant-people restaurant-pricerange restaurant-time
restaurant-day restaurant-food restaurant-people restaurant-pricerange restaurant-time